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Sea urchin spikes are called "spines." These spines are made of calcium carbonate and serve various purposes, including protection from predators and aiding in locomotion. They can vary in size, shape, and color depending on the species of sea urchin. Additionally, some species have venomous spines that can deliver a painful sting.
What else can I help you with?
What does a sea urchin use its spikes for?
for protection
What small sea animal with sharp spikes on its shell starts with sea?
Sea Urchin !
Is a sea anemone a sea urchin?
No, a sea urchin and a sea anemone are two different sea creatures nothingalike.They do have some alike characteristics.like they both use their long tentacles , or spikes for protection.
What are sea urchine adaptations?
the sea urchin has many adaptions like its spikes to protect it self from predators.
What do puffer fish do when threatened?
they puff up like a ball with spikes. It looks something like sea urchin when it puffs up.
Which baby animal is called a pluteus?
sea urchin :)
What are Sea urchin?
The classification of a Sea Urchin is Echinoidea
What is a group of sea urchins called?
A young sea urchin is called larva, pluteus (free-swimming stage), or juvenile.
The gonads of the are considered to be a delicacy?
sea urchin
How do sea urchins protect themselves to their enemies?
they use the poison in there spines to defend themselvesfor example when a predittor gets to close or steps on the sea urchin it releases a poision.
How does the sea urchin moves?
A sea urchin does move, but not very frequently.
Why do the carrier crabs carry sea urchin?
because the crab needs the sea urchin for protection and the sea urchin needs the crab for food
